/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.tencent.angel.ipc;

import com.google.protobuf.Message;
import com.tencent.angel.protobuf.generated.RPCProtos;
import java.io.IOException;
import java.net.InetSocketAddress;

// TODO: 17/6/26 by zmyer
public interface RpcServer {
    /** The port this server runs on. */
    int getPort();

    void start();

    void stop();

    void join() throws InterruptedException;

    /**
     * Called for each call.
     *
     * @param param writable parameter
     * @param receiveTime time
     * @return Message
     * @throws java.io.IOException e
     */
    Message call(Class<? extends VersionedProtocol> protocol, RPCProtos.RpcRequestBody param,
        long receiveTime) throws IOException;

    InetSocketAddress getListenerAddress();

    public void openServer();

    /**
     * Total number of clients connect to this server.
     */
    public int getNumberOfConnections();

}
